The bitter cold temperatures that have left a chill over the eastern half of the country aren’t going anywhere, as a major disruption to the Polar Vortex is coming this month.

A polar vortex expansion is bringing extreme cold and heavy snow to over 150 million Americans across two dozen states. Winter Storm Fern is set to cause significant travel disruptions and potential ...

With over 170 million Americans facing below average temperatures, even colder air may be on the horizon thanks to the displacement of the polar vortex that will lock in a deep winter feel and park ...

Meteorologist Sven Sundgaard predicted this wacky winter weather back in October, and he explains what's happening now and what might happen next.

WASHINGTON (AP) — Warm Arctic waters and cold continental land are combining to stretch the dreaded polar vortex in a way ...

Alabama has felt the first punch of winter, and forecasters warn a stronger cold spell could arrive before January ends. A polar vortex disruption sent Arctic air surging south over the weekend, ...

Georgia residents could be in for a sharp change in weather this weekend as a major polar vortex disruption pushes the coldest air of the season into the state. Forecasters say the setup raises ...